mosquitto_sub
A simple MQTT version 3.1.1 client that will subscribe to topics and print the messages that it receives. More information: https://mosquitto.org/man/mosquitto_sub-1.html.
- Subscribe to the topic
sensors/temperature
information with Quality of Service (QoS
) set to 1. (The default hostname islocalhost
and port 1883):mosquitto_sub -t {{sensors/temperature}} -q {{1}}
- Subscribe to all broker status messages publishing on
iot.eclipse.org
port 1885 and print published messages verbosely:mosquitto_sub -v -h "iot.eclipse.org" -p 1885 -t {{\$SYS/#}}
- Subscribe to multiple topics matching a given pattern. (+ takes any metric name):
mosquitto_sub -t {{sensors/machines/+/temperature/+}}
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